Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2003 Saab 9-3 Vector, AutomaticFACTORY OEM SERVICE PROCEDURE
Generator 90A
GENERATOR 90A SPECIFICATIONS
| Type designation | Bosch KC 14V 45-90A |
| Rated voltage | 14V |
| Stator connection | Star |
Diameter of slip rings
|
15.4 mm 14.4 mm |
Max. permissible radial runout:
|
0.2 mm 0.02 mm 0.087 mm |
| Min. length of brushes, from lip of brush holder | 7.5 mm |
| Pulley ratio, engine/generator | 1:2.8 |
TEST READINGS
| Test readings | |
| Resistance, rotor winding (at 25°C) Resistance, stator between phases (at 25°C) |
2.6 Ohm 0.027 Ohm |
| Generator speed/stated current at: 1800 RPM 6000 RPM |
45 A 90 A |
Factory Service Tools
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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